fixed examples for opencv 2.4.8
fixed whitespace
removed whitespace at end of line 96
removed return images and fixed cv2 names
undo changes of cv2.cv.* functions/constants
fixed bug reported by Irina K. Also tried to fix LBP detector regression in quality (probably it did not help but still ...)
tab => spaces
added imgpoints back
Merge pull request #2324 from vpisarev:fix_facedetect
Merge pull request #2319 from m3d:patch-1
Merge pull request #2304 from mattvenn:master